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MT 2652/2653/2654
IBM Mobile Systems
ThinkPad Computer
Hardware Maintenance Manual
September 2003
This manual supports:
ThinkPad A30, A30p, A31, A31p
(MT 2652/2653/2654)
ThinkPad Dock (MT 2631)
Note
Before using this information and the product it
supports, be sure to read the general information
under
“Notices” on page 186.
Second Edition (September 2003)
The following paragraph does not apply to the United
Kingdom or any country where such provisions are
inconsistent with local law:
INTERNATIONAL BUSINESS MACHINES CORPORATION
PROVIDES THIS PUBLICATION “AS IS” WITHOUT ANY
WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
LIMITED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. Some states
do not allow disclaimer or express or implied warranties in
certain transactions; therefore, this statement may not
apply to you.
This publication could include technical inaccuracies or
typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in
new editions of the publication. IBM may make
improvements or changes to the products or the programs
described in this publication at any time.
It is possible that this publication may contain references
to, or information about, IBM products (machines and
programs), programming, or services that are not
announced in your country. Such references or information
must not be construed to mean that IBM intends to
announce such IBM products, programming, or services in
your country.
Requests for technical information about IBM products
should be made to your IBM authorized dealer or your IBM
marketing representative.
© Copyright International Business Machines
Corporation 2003. All rights reserved.
US Government Users Restricted Rights – Use, duplication
or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.
Contents
About this manual . . . . . . . . . . .
1
Introduction . . . . . . . . . . . . .
3
Important service information . . . . . . . . .
3
Strategy for replacing FRUs . . . . . . . .
3
How to use error messages . . . . . . . .
4
Diskette compatibility matrix . . . . . . . . .
4
Safety notices: multilingual translations . . . . . .
4
Safety information. . . . . . . . . . . . 6
General safety . . . . . . . . . . . . 6
Electrical safety . . . . . . . . . . . 7
Safety inspection guide . . . . . . . . . 8
Handling devices that are sensitive to electorostatic
discharge . . . . . . . . . . . . 9
Grounding requirements . . . . . . . . . 0
Laser compliance statement. . . . . . . . . 1
General descriptions . . . . . . . . . . 5
Read this first . . . . . . . . . . . . . 5
What to do first . . . . . . . . . . . 5
Related service information . . . . . . . . . 7
Service web site . . . . . . . . . . . 7
Restoring the preloaded system . . . . . . 7
Passwords . . . . . . . . . . . . . 0
Power management . . . . . . . . . . 2
Checkout guide . . . . . . . . . . . . 6
Testing the computer . . . . . . . . . . 6
Detecting system information with PC-Doctor. . .
38
Power system checkout . . . . . . . . . 9
ThinkPad A30, A30p, A31, A31p . . . . . . . 3
Product overview . . . . . . . . . . . . 5
Specifications . . . . . . . . . . . . 5
Status indicators . . . . . . . . . . . 8
FRU Tests . . . . . . . . . . . . . 0
Fn key combinations . . . . . . . . . . 1
Symptom-to-FRU index . . . . . . . . . . 3
Numeric error codes . . . . . . . . . . 3
Error messages . . . . . . . . . . . 6
Beep symptoms . . . . . . . . . . . 7
LCD-related symptoms . . . . . . . . . 8
Intermittent problems . . . . . . . . . . 9
Undetermined problems . . . . . . . . . 9
FRU replacement notices . . . . . . . . . 0
Screw notices . . . . . . . . . . . . 0
Retaining serial numbers. . . . . . . . . 1
Removing and replacing a FRU. . . . . . . . 3
1010 Battery pack. . . . . . . . . . . 4
1020 Mini PCI adapter . . . . . . . . . 5
1030 Communication daughter card (CDC) . . .
68
© Copyright IBM Corp. 2003
iii
1040 Backup battery . . . . . . . . . . 5
1050 DIMM . . . . . . . . . . . . 6
1060 Hard-disk drive . . . . . . . . . . 7
1070 Ultrabay Plus device . . . . . . . . 9
1080 Ultrabay 2000 device . . . . . . . . 0
1090 I/O plate . . . . . . . . . . . . 1
1100 Keyboard . . . . . . . . . . . 2
1110 Keyboard CRU insulator . . . . . . . 7
1120 Keyboard bezel . . . . . . . . . . 9
1130 Hinge cover . . . . . . . . . . . 3
1140 Fan assembly . . . . . . . . . . 4
0CPU. . . . . . . . . . . . . 6
1160 Ultrabay Plus slot . . . . . . . . . 8
1170 Ultrabay 2000 slot . . . . . . . . 3
1180 Sub card for PC Card slot . . . . . . 7
1190 Security chip . . . . . . . . . . 9
1200 LCD assembly. . . . . . . . . . 0
1210 System board . . . . . . . . . . 4
1220 Ultrabay LED card . . . . . . . . 0
1230 Speaker assembly . . . . . . . . 1
1240 Antenna for Bluetooth . . . . . . . 3
2010 Front bezel. . . . . . . . . . . 5
2020 Inverter card . . . . . . . . . . 7
2030 LCD panel . . . . . . . . . . . 9
2040 Antenna assembly . . . . . . . . 3
3010 ThinkPad Dock PCI cover . . . . . . 7
3020 ThinkPad Dock top cover . . . . . . 9
Locations . . . . . . . . . . . . . . 4
Front view . . . . . . . . . . . . 4
Rear view . . . . . . . . . . . . . 6
Bottom view . . . . . . . . . . . . 7
Parts list . . . . . . . . . . . . . . 8
A30 and A30p series model matrix . . . . . 8
A31 and A31p series model matrix . . . . . 9
Overall . . . . . . . . . . . . . 5
LCD FRUs . . . . . . . . . . . . 9
Keyboard . . . . . . . . . . . . . 2
Recovery CDs . . . . . . . . . . . 3
Optional FRUs . . . . . . . . . . . 9
Miscellaneous parts . . . . . . . . . . 0
AC adapters . . . . . . . . . . . . 3
Common parts list . . . . . . . . . . 4
Notices . . . . . . . . . . . . . . 6
Trademarks . . . . . . . . . . . . 6
iv
MT 2652/2653/2654
About this manual
This manual contains service and reference information for
IBM ThinkPad A30, A30p, A31, A31p (MT2652, 2653,
2654), and ThinkPad Dock (MT2631) products. Use this
manual along with the advanced diagnostic tests to
troubleshoot problems.
The manual is divided into sections as follows:
v
The common sections provide general information,
guidelines, and safety information required in servicing
computers.
v
The product-specific section includes service, reference,
and product-specific parts information.
Important
This manual is intended for trained service
personnel who are familiar with ThinkPad products.
Use this manual along with the advanced diagnostic
tests to troubleshoot problems effectively.
Before servicing an IBM ThinkPad product, be sure
to review the safety information under
“Safety
notices: multilingual translations” on page 4,
“Safety
information” on page 16,
and
“Laser compliance
statement” on page 21.
© Copyright IBM Corp. 2003
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